Bay Area's air quality struggles despite green reputation, with high ozone and particle pollution impacting health, ...

An air quality alert was reported by the NWS Phoenix AZ on Friday at 7:19 a.m. in effect until Sunday at midnight. The alert ...

California cities nearly covered all five spots in the Top 5 Most Polluted Cities when it comes to year-round particle ...

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

The Jones Road wildfire continued to burn thousands of acres in central New Jersey. Smoky air could be wide-reaching.

A new report from the American Lung Association shows that Phoenix's ozone problem is worsening, while its particulate ...

The nonprofit Archangel Ancient Tree Archive has donated sequoia saplings that were planted Tuesday by Arboretum Detroit to ...

Drought conditions in most of California will worsen air quality and increase airborne particulates like dust and pollen.

Residents across New York and New Jersey are dealing with poorer air quality than usual, but a new report revealed that even more states are still dealing with this problem.

The Climate Prediction Center's recent dire drought outlook for California and the western United States has some more bad news: The dry, hot conditions will worsen air quality and introduce more ...